20789726535361

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1289}}^1\times {\mathrm{1088371}}^1$

素因数の和:1089769

約数の個数: 32

約数和(自身を含む): 24935037868800

約数和(自身を除く): 4145311333439

約数列:

[1, 7, 29, 73, 203, 511, 1289, 2117, 9023, 14819, 37381, 94097, 261667, 658679, 1088371, 2728813, 7618597, 19101691, 31562759, 79451083, 220939313, 556157581, 1402910219, 2304081407, 9820371533, 16128569849, 40684396351, 102412445987, 284790774457, 716887121909, 2969960933623, 20789726535361]

約数ペア:

[(1, 20789726535361), (7, 2969960933623), (29, 716887121909), (73, 284790774457), (203, 102412445987), (511, 40684396351), (1289, 16128569849), (2117, 9820371533), (9023, 2304081407), (14819, 1402910219), (37381, 556157581), (94097, 220939313), (261667, 79451083), (658679, 31562759), (1088371, 19101691), (2728813, 7618597)]